Only when the meeting began________ that he had left his papers at his office.
Mr.White was made ______ general manager of the company yesterday.
Look,____ new manager is coming!
A a,the B 不填,the
Only when the meeting began _____ that he had left his papers at
his office.
A he did realize B did he realize
请重点解释一下这句话是什么结构,有一点没明白考点?
Thank you very much:>